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240125s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202312246
|2 doi
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|a pubmed24n1395.xml
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|a DE-627
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|a eng
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|a Hu, Tao
|e verfasserin
|4 aut
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|a Development of Inverse-Opal-Structured Charge-Deficient Co9S8nitrogen-Doped-Carbon to Catalytically Enable High Energy and High Power for the Two-Electron Transfer I+/I- Electrode
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 02.05.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 The Authors. Advanced Materials published by Wiley‐VCH GmbH.
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|a The iodine (I) electrode involving two-electron transfer chemistry by converting between I+ and I-, has the potential to deliver theoretically doubled capacity and higher working voltage platforms, thus achieving higher energy density. However, owing to the slow kinetics of the cascade two-electron transfer reactions, the system suffers from large overpotentials and low power density, especially at high working currents and low temperatures. Here, an inverse-opal-structured cobalt sulfidenitrogen-doped-carbon (Co9S8@NC) catalyst with unique charge-deficient states is developed to promote the reaction kinetics of the I-/I+ electrode. The charge-deficient Co9S8@NC catalyst not only enables strong physicochemical adsorption with the iodine species but also significantly reduces the activation energy and interfacial charge transfer resistance of the cascade I+/I0/I- conversion reaction. Consequently, the prototypical Zn‖I+/I0/I- battery equipped with the Co9S8@NC catalyst can deliver a high energy density of 554 Wh kg-1 and a stable cycle life of 5000 cycles at 30 °C. Moreover, at a subzero temperature of -30 °C, the battery can exhibit enhanced kinetics and a high power density of 1514 W kg-1, high energy density of 485 Wh kg-1
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|a Journal Article
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|a cascade conversion reaction
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|a charge‐deficient catalyst
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|a high energy and power battery
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|a low‐working temperature battery
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|a two‐electron transfer iodine electrode
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|a Zhao, Yuanyuan
|e verfasserin
|4 aut
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|a Yang, Yihan
|e verfasserin
|4 aut
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|a Lv, Haiming
|e verfasserin
|4 aut
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| 700 |
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|a Zhong, Rong
|e verfasserin
|4 aut
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|a Ding, Feng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mo, Funian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Haibo
|e verfasserin
|4 aut
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|a Zhi, Chunyi
|e verfasserin
|4 aut
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| 700 |
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|a Liang, Guojin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 18 vom: 24. Mai, Seite e2312246
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:18
|g day:24
|g month:05
|g pages:e2312246
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|u http://dx.doi.org/10.1002/adma.202312246
|3 Volltext
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